This book covers powder flow properties, their measurement and applications. A wide range of problems such as flow obstructions, segregation and vibrations are discussed. The content helps to understand the powder flow and provides practical solutions. The fundamentals of bulk solids flow are outlined: particle–particle interactions, stress, friction, strength, density, flow properties and methods of measurement, shear testers and other test procedures, specific properties of powders and how they are influenced by moisture, temperature and flow agents. The application of the flow properties in the design of properly working bulk solid containers like bins, silos and hoppers is also explored. Besides, the book also covers the technical design of silo walls, feeders, discharge aids, inserts, the assessment of stresses in silos, segregation and how to avoid it and vibrations or shocks occurring in silos
Table des matières
Introduction.- Fundamentals.- Flow properties of bulk solids.- Practical determination of flow properties.- A more detailed view at properties of bulk solids.- Discussion of testers and test procedures.- Properties exhibited by some bulk solids.- Examples of measured flow properties.- Calculation and measurement of stresses in bins and silos.- Silo design for flow.- Silo configurations.- Discharge of bulk solids.- Segregation.- Silo quaking and silo honking.- Sample problems and solutions.A propos de l’auteur
Dietmar Schulze is Professor of Mechanical Process Engineering at the Ostfalia University of Applied Sciences in Wolfsburg/Germany since 1996. He is Expert in the areas of powder characterization and handling. Dietmar Schulze holds seminars on powder technology and has published more than 140 papers. In 1991, he incorporated the consultancy “Schwedes and Schulze Schüttguttechnik” with his Former Doctoral Supervisor, Prof. Jörg Schwedes, and in 1993, he founded the company “Dr. Dietmar Schulze Schüttgutmesstechnik” being active in developing and manufacturing ring shear testers for the measurement of flow properties of powders
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